<template>
  <div>
    <el-card class="login-form-layout">
      <el-form
        autoComplete="on"
        :model="loginForm"
        :rules="loginRules"
        ref="loginForm"
        label-position="left">
        <div style="text-align: center">
          <!--<svg-icon icon-class="login-mall" style="width: 56px;height: 56px;color: #409EFF"></svg-icon>-->
        </div>
        <h2 class="login-title color-main">正徳双创后台管理系统</h2>
        <el-form-item prop="username">
          <el-input
            name="username"
            type="text"
            v-model="loginForm.username"
            autoComplete="on"
            placeholder="请输入用户名">
            <span slot="prefix">
              <svg-icon icon-class="user" class="color-main"></svg-icon>
            </span>
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            name="password"
            :type="pwdType"
            @keyup.enter.native="handleLogin"
            v-model="loginForm.password"
            autoComplete="on"
            placeholder="请输入密码">
            <span slot="prefix">
              <svg-icon icon-class="password" class="color-main"></svg-icon>
            </span>
            <span slot="suffix" @click="showPwd">
              <svg-icon icon-class="eye" class="color-main"></svg-icon>
            </span>
          </el-input>
        </el-form-item>
        <el-form-item style="margin-bottom: 60px;text-align: center">
          <el-button style="width: 45%" type="primary" :loading="loading" @click.native.prevent="handleLogin">
            登录
          </el-button>
          <!--<el-button style="width: 45%" type="primary" @click.native.prevent="handleTry">-->
          <!--获取体验账号-->
          <!--</el-button>-->
        </el-form-item>
      </el-form>
    </el-card>
    <img :src="login_center_bg" class="login-center-layout">
    <el-dialog
      title="公众号二维码"
      :visible.sync="dialogVisible"
      :show-close="false"
      :center="true"
      width="30%">
      <div style="text-align: center">
        <span class="font-title-large"><span class="color-main font-extra-large">关注公众号</span>回复<span class="color-main font-extra-large">体验</span>获取体验账号</span>
        <br>
        <img src="http://macro-oss.oss-cn-shenzhen.aliyuncs.com/mall/banner/qrcode_for_macrozheng_258.jpg" width="160" height="160" style="margin-top: 10px">
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="dialogConfirm">确定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import { isvalidUsername } from '@/utils/validate'
import { setSupport, getSupport, setCookie, getCookie } from '@/utils/support'
import login_center_bg from '@/assets/images/login_center_bg.png'
import { fetchList } from '@/api/login'
export default {
  name: 'Login',
  data () {
    const validateUsername = (rule, value, callback) => {
      if (!isvalidUsername(value)) {
        callback(new Error('请输入正确的用户名'))
      } else {
        callback()
      }
    }
    const validatePass = (rule, value, callback) => {
      if (value.length < 3) {
        callback(new Error('密码不能小于3位'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        username: '',
        password: ''
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePass }]
      },
      loading: false,
      pwdType: 'password',
      login_center_bg,
      dialogVisible: false,
      supportDialogVisible: false
    }
  },
  created () {
    fetchList().then(response => {
    })
    this.loginForm.username = getCookie('username')
    this.loginForm.password = getCookie('password')
    if (this.loginForm.username === undefined || this.loginForm.username == null || this.loginForm.username === '') {
      this.loginForm.username = 'admin'
    }
    if (this.loginForm.password === undefined || this.loginForm.password == null) {
      this.loginForm.password = ''
    }
  },
  methods: {
    showPwd () {
      if (this.pwdType === 'password') {
        this.pwdType = ''
      } else {
        this.pwdType = 'password'
      }
    },
    handleLogin () {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          // let isSupport = getSupport();
          // if(isSupport===undefined||isSupport==null){
          //   this.dialogVisible =true;
          //   return;
          // }
          this.loading = true
          this.$store.dispatch('Login', this.loginForm).then(() => {
            this.loading = false
            setCookie('username', this.loginForm.username, 15)
            setCookie('password', this.loginForm.password, 15)
            this.$router.push({ path: '/' })
          }).catch(() => {
            this.loading = false
          })
        } else {
          console.log('参数验证不合法！')
          return false
        }
      })
    },
    handleTry () {
      this.dialogVisible = true
    },
    dialogConfirm () {
      this.dialogVisible = false
      setSupport(true)
    },
    dialogCancel () {
      this.dialogVisible = false
      setSupport(false)
    }
  }
}
</script>

<style scoped>
  .login-form-layout {
    position: absolute;
    left: 0;
    right: 0;
    width: 360px;
    margin: 140px auto;
    /*border-top: 10px solid #409EFF;*/
  }

  .login-title {
    text-align: center;
  }

  .login-center-layout {
    background: #409EFF;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    margin-top: 200px;
  }
</style>
